There will be over 500 technical sessions, BOFs, tutorials, and hands-on labs offered. Note that "Securing Java" is a new track this year. The tracks are: 

Client and Embedded Development with JavaFX

Core Java Platform

Edge Computing with Java in Embedded, Smart Card, and IoT Applications

Emerging Languages on the Java Virtual Machine

Securing Java

Java Development Tools and Techniques

Java EE Web Profile and Platform Technologies

Java Web Services and the Cloud

In the Content Catalog you can search on tracks, session types, session categories, keywords, and tags. Or, you can search for your favorite speakers to see what they’re presenting this year. And, directly from the catalog, you can share sessions you’re interested in with friends and colleagues through a broad array of social media channels.

Start checking out JavaOne content now to plan your week at the conference. Then, you’ll be ready to sign up for all of your sessions when the scheduling tool goes live.